Home / 1,355,073.87-2,032,796.70-786,721.98

Finding the Fourth Proportional to 1,355,073.87, 2,032,796.70 and 786,721.98

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Solution

The fourth proportional to 1,355,073.87, 2,032,796.70 and 786,721.98 is: 1,180,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,073.87 : 2,032,796.70 = 786,721.98 : x
  2. Step 2: Convert to fraction form
    1,355,073.87/2,032,796.70 = 786,721.98/x
  3. Step 3: Cross multiply
    1,355,073.87x = 2,032,796.70 × 786,721.98
  4. Step 4: Simplify right side
    1,355,073.87x = 1,599,245,844,761.47
  5. Step 5: Solve for x
    x = 1,599,245,844,761.47/1,355,073.87
  6. Step 6: Final answer
    x = 1,180,190.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.